An asymmetric-key (or public-key) cipher uses

We use Cryptography term to transforming messages to make them secure and immune to

The shift cipher is sometimes referred to as the

The full form of OSI is OSI model is ______________

When you use the word _____ it means you are protecting your data from getting disclosed.

______ means the protection of data from modification by unknown users.

_______ of information means, only authorised users are capable of accessing the information.

Why these 4 elements (confidentiality, integrity, authenticity & availability) are considered fundamental?

This helps in identifying the origin of information and authentic user. This referred to here as __________

Data ___________ is used to ensure confidentiality.

Data integrity gets compromised when _____ and _____ are taken control off.

The substitutional cipers are

In Cryptography, the original message, before being transformed, is called

Encrypt "cryptosystem" with key 7 using Shift Cipher

Encrypt "goodday" with "say" using Vigenere cipher

Encrypt "attack" with "fall" using Playfair Cipher

__________ refers to the network command for how to format the conversation between two devices.

The security professional’s interest in __________ lies in defining the points that allow access for investigation, interruption, and attacks

__________ architecture uses a limited set of internet holding servers known as the “root” domain servers, which now house “.com”, “.org”, “.gov”, and so on.

Who was the first know user of the Caesar Cipher?

In Cryptography, original message, before being transformed, is called

An encryption algorithm transforms plain text into:

_______ is the science and art of transforming messages to make them secure and immune to attacks.

A(n) ______ algorithm transforms cipher text to plain text.

The _______ is a number or a set of numbers on which the cipher operates.

A method for determining a solution to a problem by sequentially testing all possible solutions.

A cipher is _________________________.

The process of converting a ciphertext into plaintext.

DES follows

Data Encryption Standard (DES) uses a __________.

In the DES algorithm the round key is __________ bit and the Round Input is ____________bits.

In the DES algorithm the Round Input is 32 bits, which is expanded to 48 bits via ____________

Which of the following is a mode of operation for the Block ciphers in cryptography?

During decryption, we use the Inverse Initial Permutation (IP-1) before the IP.

The Initial Permutation table/matrix is of size

Euclid’s algorithm is used for finding __________

If 4 is the GCD of 16 and 12, What is the GCD of 12 and 4?

What is the formula for Euclidean algorithm?

The acronym AES stands for?

Which of the following modes of operations can be followed for both stream ciphers as well as block ciphers?

In substitution techniques the plain text letters are substituted with ----------

In transposition the plain text letters are --------------

if the sender and receiver uses same key to encrypt and decrypt, then it is called as-----

The ------------ converts one block of plain text into one block of cipher text at a time.

Rail Fence Technique is an example of

The process to discover plain text or key is known as:

Use Caesar’s Cipher to decipher the following

HQFUBSWHG WHAW

________ prevents either sender or receiver from denying a transmitted

message.

7. Security mechanism is ensured by ___.

1.     In an asymmetric -key cipher, the sender uses the …………….key

In an asymmetric -key cipher, the receiver uses the …………….key

In public key cryptosystem which is kept as public?

A cryptographic hash function has variable output length.

          ........................... is a famous technological medium for the spread of malware,facing problems of spam, & phishing attacks.

In RSA, Ф(n) = in terms of p and q

Application of Diffie Hellman Algorithm

Key Management process involves

public key certificate binds

Authentication Requirements